Lilli sent 40 text last week. This week the amount of text she sent decreased by 10%. How many text did she send this week?

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?